Convergence to a non-explicit steady state in non-factorized kinetic Fokker-Planck equations with (very) weak velocity confinements

Fuente: arXiv
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Main Authors: Bouin, Emeric, Ziviani, Luca
Format: Preprint
Published: 2025
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author Bouin, Emeric
Ziviani, Luca
author_facet Bouin, Emeric
Ziviani, Luca
contents In this article, we prove some convergence results for kinetic Fokker-Planck equations with strong space confinement but fat-tailed local equilibria and non-explicit global steady states. We extend the results of \cite{C21} to a wider class of fat-tailed local equilibria, with rates of convergence in a large class of weighted $\sfL^1$ spaces. We complement our results with numerical simulations to investigate the shape of the non-explicit steady state.
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id arxiv_https___arxiv_org_abs_2510_12331
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Convergence to a non-explicit steady state in non-factorized kinetic Fokker-Planck equations with (very) weak velocity confinements
Bouin, Emeric
Ziviani, Luca
Analysis of PDEs
In this article, we prove some convergence results for kinetic Fokker-Planck equations with strong space confinement but fat-tailed local equilibria and non-explicit global steady states. We extend the results of \cite{C21} to a wider class of fat-tailed local equilibria, with rates of convergence in a large class of weighted $\sfL^1$ spaces. We complement our results with numerical simulations to investigate the shape of the non-explicit steady state.
title Convergence to a non-explicit steady state in non-factorized kinetic Fokker-Planck equations with (very) weak velocity confinements
topic Analysis of PDEs
url https://arxiv.org/abs/2510.12331